Me too, I was about 6 but I was building the plastic models, Bipes for the most part. I wanted to know if he was wanting to learn to assemble ARFs or build kits?? It's easy to teach ARF assembly to someone but teaching kit building takes a lot more time. I still have a coupld of Gillows out in my shop for people wanting to learn how to build. Anyone wanting to assemble an ARF I have them buy there own plane then I will teach them, that doesn't take much as much time.